Carton sealing machine capable of automatically closing cover

Abstract

The utility model discloses a carton sealing machine capable of automatically closing a cover, which effectively increases the function of pre-closing the cover while cleaning dust on the surface, and comprises a support frame, a conveying belt is arranged on the upper part of the support frame, a carton sealing frame is arranged above the support frame, a carton sealing plate is arranged in the carton sealing frame, and a vertical pressing plate is arranged on the front side of the carton sealing plate. A vertical pressing plate is arranged on the upper portion of the box sealing plate, transverse pressing plates are arranged on the two sides of the vertical pressing plate, vertical fans are arranged on the front side of the vertical pressing plate, a position-adjustable transverse fan is arranged on the front side of each transverse pressing plate, and a box sealing mechanism is arranged in the middle of the box sealing plate. According to the box sealing device, the purpose of sealing boxes of different sizes is effectively achieved, adjustment by workers is facilitated, the purpose of sealing boxes of different heights is achieved, box sealing firmness is improved, the purpose of automatic cutting after adhesive tape pasting is achieved, and the function of automatic cover closing is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of automatic box sealing equipment and relates to a box sealing machine with automatic cover closing. Background Art

[0002] Carton sealing machines are widely used in product packaging in various industries. The packed products enter the feeding port of the carton sealing machine from the conveyor track. The carton sealing machine sticks the tape on the opening of the packaging box to achieve the tape sealing of the packaging box.

[0003] However, since the box needs to be covered before it is sealed, and this step is generally done manually, an automatic covering device is needed to assist in sealing the box. For example, the patent document with application number CN202122968688.0 discloses an automatic covering device for a carton sealing machine. However, during the covering process, the box cover on the side away from the covering device is not easily pressed down by the guide plate disclosed therein. Therefore, a carton sealing machine that can pre-close the box cover in four directions on the upper surface of the box is needed to facilitate the subsequent complete covering and automatic covering of the box sealing to solve the above problem. Utility Model Content

[0004] In view of the above problems, the utility model proposes an automatic lid closing carton sealing machine, which well solves the problems in the prior art.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0006] A carton sealing machine with automatic lid closing comprises a support frame, a rotatable conveyor belt is provided on the upper part of the support frame, a carton sealing frame is fixedly connected to the upper part of the support frame, a liftable carton sealing plate is provided inside the carton sealing frame, a vertical pressing plate is fixedly connected to the front side of the carton sealing plate, a horizontal pressing plate is fixedly connected to the left and right sides of the vertical pressing plate, a vertical fan with adjustable position is provided on the front side of the vertical pressing plate, a horizontal fan with adjustable position is provided on the front side of each horizontal pressing plate, and a carton sealing mechanism is provided in the middle part of the carton sealing plate.

[0007] Preferably, an adjustment groove is provided on the upper portion of the vertical pressure plate, an adjustment block which can slide back and forth is provided on the upper portion of the vertical pressure plate, a first gooseneck tube is fixedly connected to the upper side of the adjustment block, the vertical fan is fixedly connected to the front end of the first gooseneck tube, each of the transverse pressure plates is fixedly connected to a second gooseneck tube on the side away from the vertical pressure plate, and each of the transverse fans is fixedly connected to the front end of the corresponding second gooseneck tube.

[0008] Preferably, two limit blocks are slidably connected to the middle part of the adjustment block, a rotatable bidirectional threaded rod is provided in the middle part of the adjustment block, each limit block is threadedly connected to the bidirectional threaded rod, and the bidirectional threaded rod and the limit block cooperate with each other to form a structure in which the position of the adjustment block can be adjusted.

[0009] Preferably, a plurality of rotatable conveying shafts are rotatably connected to the middle of the support frame, a maintenance plate is rotatably connected to the upper side of the sealing plate, a control threaded rod is threadedly connected to the upper portion of the sealing frame, and the lower side of the control threaded rod is rotatably connected to the sealing plate.

[0010] Preferably, the carton sealing mechanism includes two replacement racks that can move up and down, two tension springs are fixedly connected to the lower side of each replacement rack, the lower side of each tension spring is fixedly connected to the carton sealing plate, and a detachable supporting sleeve is provided in the middle of the two replacement racks.

[0011] Preferably, a laser sensor is provided on the inner side wall of the sealing frame, an electric telescopic rod fixedly connected to the sealing plate is provided on the front side of the sealing mechanism, a cutting knife is fixedly connected to the front side of the electric telescopic rod, and the electric telescopic rod is electrically connected to the laser sensor.

[0012] Preferably, the front side surface of the vertical pressing plate is an inclined surface inclined toward the direction of the conveyor belt, and the front side surface of each of the transverse pressing plates is an inclined surface inclined toward the direction of the vertical pressing plate.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. The utility model has a vertical fan and a horizontal fan that can adjust the position, which can not only pre-close the boxes that need to be closed to facilitate subsequent closing, but also blow off the dust on the surface of the box to increase the adhesion firmness.

[0015] 2. The utility model has a horizontal pressing plate and a vertical pressing plate, and the height of the pressing plate can be adjusted by a sealing plate, so that the device can seal boxes of different heights, thereby increasing the applicability of the device to different boxes.

[0016] 3. The utility model has a first gooseneck tube and a second gooseneck tube, so that the positions of the vertical fan and the horizontal fan can be adjusted, thereby enabling the device to be used with boxes of different lengths and widths. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0018] Figure 2 It is a schematic diagram of the position structure of the transmission shaft in the utility model.

[0019] Figure 3It is a schematic diagram of the internal structure of the box sealing frame in the utility model.

[0020] Figure 4 For this utility model Figure 3 A partial enlarged schematic diagram of area A in the middle.

[0021] Figure 5 For this utility model Figure 3 A partial enlarged schematic diagram of area B in the middle.

[0022] In the figure: 1. Support frame; 2. Conveyor belt; 3. Sealing frame; 4. Sealing plate; 5. Vertical pressure plate; 6. Horizontal pressure plate; 7. Vertical fan; 8. Horizontal fan; 9. Sealing mechanism; 10. Adjustment slot; 11. Adjustment block; 12. First gooseneck; 13. Second gooseneck; 14. Limit block; 15. Bidirectional threaded rod; 16. Conveying shaft; 17. Maintenance plate; 18. Control threaded rod; 19. Laser sensor; 20. Electric telescopic rod; 21. Cutting knife; 901. Replacement frame; 902. Tension spring; 903. Support sleeve. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] The following is combined with Figure 1-Figure 5 The specific implementation modes of the present utility model are further described in detail.

[0025] Embodiment 1, by Figure 1-Figure 3 The utility model comprises a support frame 1. In order to achieve the purpose of pre-closing the cover while cleaning the surface dust, a rotatable conveyor belt 2 is provided on the upper part of the support frame 1. A sealing frame 3 is fixedly connected to the upper part of the support frame 1. A liftable sealing plate 4 is provided inside the sealing frame 3. A vertical pressing plate 5 is fixedly connected to the front side of the sealing plate 4. A horizontal pressing plate 6 is fixedly connected to the left and right sides of the vertical pressing plate 5. A position-adjustable vertical fan 7 is provided on the front side of the vertical pressing plate 5. A position-adjustable horizontal fan 8 is provided on the front side of each horizontal pressing plate 6. A sealing mechanism 9 is provided in the middle part of the sealing plate 4.

[0026] When in use, the box that needs to be sealed can be placed on the front end of the conveyor belt 2. After the device is started, the conveyor belt 2 will rotate. When the box moves with the conveyor belt 2, the front cover of the box will tilt backwards under the action of the vertical fan 7, and then be closed together with the rear cover of the box under the action of the vertical pressing plate 5. The left and right side covers of the box are respectively rotated toward the inside of the box under the action of the transverse fan 8 for pre-closing, and then are closed under the action of each transverse pressing plate 6. When the box moves to the lower side of the sealing plate 4, the cover is bonded under the action of the sealing mechanism 9 to complete the closing and sealing of the box. The vertical fan 7 and the transverse fan 8 can also blow dust on the surface of the box, thereby increasing the bonding effect of the box.

[0027] Embodiment 2, based on embodiment 1, Figure 1-Figure 4 It is given that, in order to achieve the purpose of sealing boxes of different sizes, an adjustment slot 10 is provided on the upper part of the vertical pressing plate 5, and an adjustment block 11 that can slide forward and backward is provided on the upper part of the vertical pressing plate 5. A first gooseneck tube 12 is fixedly connected to the upper side of the adjustment block 11, and the vertical fan 7 is fixedly connected to the front end of the first gooseneck tube 12. A second gooseneck tube 13 is fixedly connected to the side of each of the horizontal pressing plates 6 away from the vertical pressing plate 5, and each of the horizontal fans 8 is fixedly connected to the front end of the corresponding second gooseneck tube 13. The first gooseneck tube 12 and the second gooseneck tube 13 are both made of gooseneck tubes, which can be bent arbitrarily and determine the direction, and no further description is given here;

[0028] During use, when the size of the box is longer (i.e. the distance between the front and rear sides of the box is larger), the vertical fan 7 can be moved forward by controlling the position of the adjustment block 11, and the position of the vertical fan 7 can be fine-tuned through the first gooseneck 12; when the size of the box is wider (i.e. the distance between the left and right sides of the box is larger), the position of the transverse fan 8 can be adjusted through the second gooseneck 13.

[0029] Embodiment 3, based on embodiment 2, Figure 1-Figure 4 It is given that, in order to facilitate the staff to make adjustments, two limit blocks 14 are slidably connected to the middle of the adjustment block 11, and a rotatable bidirectional threaded rod 15 is provided in the middle of the adjustment block 11. Each limit block 14 is threadedly connected to the bidirectional threaded rod 15, and the bidirectional threaded rod 15 and the limit block 14 cooperate with each other to form a structure in which the position of the adjustment block 11 can be adjusted;

[0030] When in use, the limit block 14 can be operated by the bidirectional threaded rod 15 , and then the position of the adjustment block 11 can be adjusted and fixed by adjusting the friction force between each limit block 14 and the vertical pressure plate 5 .

[0031] Embodiment 4, based on embodiment 1, Figure 1-Figure 3 It is given that, in order to achieve the purpose of sealing boxes of different heights, a plurality of rotatable conveying shafts 16 are rotatably connected to the middle part of the support frame 1, and a motor is fixedly connected to the left side of the conveying shaft 16 on the rightmost side of the middle part of the support frame 1. After the motor is started, the conveyor belt 2 is driven to rotate through the conveying shaft 16, and a maintenance plate 17 is rotatably connected to the upper side of the sealing plate 4. A control threaded rod 18 is threadedly connected to the upper part of the sealing frame 3, and the lower side of the control threaded rod 18 is rotatably connected to the sealing plate 4;

[0032] When in use, the height of the sealing plate 4 can be adjusted by rotating the control threaded rod 18, so that the device can be adapted to seal boxes of different heights.

[0033] Embodiment 5, based on embodiment 1, Figure 1-Figure 3 and Figure 5 It is given that in order to achieve the purpose of making the box sealing more secure, the box sealing mechanism 9 includes two replacement racks 901 that can move up and down, and the lower side of each replacement rack 901 is fixedly connected to two tension springs 902, and the lower side of each tension spring 902 is fixedly connected to the box sealing plate 4. A detachable supporting sleeve 903 is provided in the middle of the two replacement racks 901, and a transverse groove is opened on one side of each replacement rack 901 close to the supporting sleeve 903, and the transverse groove can limit the supporting sleeve 903 and facilitate its replacement;

[0034] When in use, the adhesive tape can be put on the middle part of the support sleeve 903, and then the adhesive tape can contact the upper surface of the box under the action of the tension spring 902 to bond and seal the box. When the adhesive tape needs to be replaced, the support sleeve 903 can be removed and replaced.

[0035] Embodiment 6, based on embodiment 5, Figure 1-Figure 3 and Figure 5 It is given that, in order to achieve the purpose of automatically cutting off the tape after sticking, a laser sensor 19 is provided on the inner side wall of the sealing frame 3. The laser sensor 19 is a prior art and will not be described in detail here. An electric telescopic rod 20 fixedly connected to the sealing plate 4 is provided on the front side of the sealing mechanism 9. A cutting knife 21 is fixedly connected to the front side of the electric telescopic rod 20. The electric telescopic rod 20 is electrically connected to the laser sensor 19.

[0036] During use, when the laser sensor 19 detects that the box is out of the detection range, the electric telescopic rod 20 receives the signal and drives the cutting knife 21 to move downward to cut the tape.

[0037] Embodiment 7, based on embodiment 1, Figure 1-Figure 3It is given that, in order to achieve the purpose of automatic closing, the front side surface of the vertical pressing plate 5 is an inclined surface inclined toward the conveyor belt 2 , and the front side surface of each of the horizontal pressing plates 6 is an inclined surface inclined toward the vertical pressing plate 5 .

[0038] When the utility model is used, the box to be sealed can be placed at the front end of the conveyor belt 2 first. After the device is started, the conveyor belt 2 will rotate. When the box moves with the conveyor belt 2, the front cover of the box will tilt backwards under the action of the vertical fan 7, and then be closed together with the rear cover of the box under the action of the vertical pressing plate 5. The left and right cover of the box are respectively rotated toward the inside of the box under the action of the horizontal fan 8 to perform pre-closing, and then are closed under the action of each horizontal pressing plate 6. When the box moves to the lower side of the sealing plate 4, the cover is bonded under the action of the sealing mechanism 9 to complete the closing of the box. Cover and seal the box. When the box is long (i.e. the distance between the front and rear sides of the box is large), the vertical fan 7 can be moved forward by controlling the position of the adjustment block 11, and the position of the vertical fan 7 can be fine-tuned by the first gooseneck 12. When the box is wide (i.e. the distance between the left and right sides of the box is large), the position of the transverse fan 8 can be adjusted by the second gooseneck 13, and the height of the sealing plate 4 can be adjusted by rotating the control threaded rod 18, so that the device can adapt to boxes of different heights for sealing. The vertical fan 7 and the transverse fan 8 can also blow dust on the surface of the box, thereby increasing the bonding effect on the box.

[0039] The utility model has a novel structure, ingenious conception, and is simple and convenient to operate. Through the design, the function of pre-closing the lid while cleaning the surface dust is effectively added, thereby achieving the purpose of being able to seal boxes of different sizes, facilitating adjustment by staff, achieving the purpose of being able to seal boxes of different heights, increasing the firmness of the sealing, achieving the purpose of automatically cutting off the tape after it is pasted, and achieving the function of being able to automatically close the lid.

[0040] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic lid-closing carton sealing machine, comprising a support frame, characterized in that: A rotatable conveyor belt is provided on the upper part of the support frame, a sealing frame is fixedly connected to the top of the support frame, a liftable sealing plate is provided inside the sealing frame, a vertical pressing plate is fixedly connected to the front side of the sealing plate, a horizontal pressing plate is fixedly connected to the left and right sides of the vertical pressing plate, a position-adjustable vertical fan is provided on the front side of the vertical pressing plate, a position-adjustable horizontal fan is provided on the front side of each horizontal pressing plate, and a sealing mechanism is provided in the middle part of the sealing plate.

2. The automatic lid closing carton sealing machine according to claim 1, characterized in that: An adjustment groove is provided on the upper part of the vertical pressure plate, and an adjustment block which can slide back and forth is provided on the upper part of the vertical pressure plate. A first gooseneck tube is fixedly connected to the upper side of the adjustment block, and the vertical fan is fixedly connected to the front end of the first gooseneck tube. A second gooseneck tube is fixedly connected to the side of each of the horizontal pressure plates away from the vertical pressure plate, and each of the horizontal fans is fixedly connected to the front end of the corresponding second gooseneck tube.

3. The automatic lid closing carton sealing machine according to claim 2, characterized in that: The middle part of the adjustment block is slidably connected to two limit blocks, and a rotatable bidirectional threaded rod is provided in the middle part of the adjustment block. Each limit block is threadedly connected to the bidirectional threaded rod, and the bidirectional threaded rod and the limit block cooperate with each other to form a structure in which the position of the adjustment block can be adjusted.

4. The automatic lid closing carton sealing machine according to claim 1, characterized in that: The middle part of the support frame is rotatably connected to a plurality of rotatable transmission shafts, the upper side of the sealing plate is rotatably connected to a maintenance plate, the upper part of the sealing frame is threadedly connected to a control threaded rod, and the lower side of the control threaded rod is rotatably connected to the sealing plate.

5. The automatic lid closing carton sealing machine according to claim 1, characterized in that: The box sealing mechanism includes two replacement racks that can move up and down, two tension springs are fixedly connected to the lower side of each replacement rack, and the lower side of each tension spring is fixedly connected to the box sealing plate. A detachable supporting sleeve is provided in the middle of the two replacement racks.

6. The automatic lid closing carton sealing machine according to claim 5, characterized in that: A laser sensor is provided on the inner wall of the box sealing frame, an electric telescopic rod fixedly connected to the box sealing plate is provided on the front side of the box sealing mechanism, a cutting knife is fixedly connected to the front side of the electric telescopic rod, and the electric telescopic rod is electrically connected to the laser sensor.

7. The automatic lid closing carton sealing machine according to claim 1, characterized in that: The front side surface of the vertical pressing plate is an inclined surface inclined toward the direction of the conveyor belt, and the front side surface of each of the transverse pressing plates is an inclined surface inclined toward the direction of the vertical pressing plate.

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